ELIOS E-MULTI 2-Head Heat Pump + 27000 BTU Compressor | Laval

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A multi-zone solution designed for the realities of homes in Laval and Greater Montreal

At AirGreen , we have been installing multi-zone HVAC systems for many years in a wide variety of settings: single-family homes in Laval, multi-unit dwellings in Montreal, new condos on the South Shore, and complete renovations on the North Shore. The ELIOS E-MULTI 2-head heat pump with a 27,000 BTU compressor fits perfectly into this real-world situation: it meets a common need—efficiently heating and cooling two separate zones with a single outdoor unit—while maintaining excellent performance in cold climates.

This type of configuration is particularly sought after by homeowners who want to avoid multiple outdoor units , reduce visual and noise clutter, and achieve precise temperature control in each room. In Laval, where there are as many multigenerational homes as there are recent open-concept constructions, this system stands out for its genuine flexibility and consistent performance.

A truly flexible multi-zone architecture, designed for everyday comfort

The ELIOS E-MULTI heat pump is based on a simple yet extremely efficient design: a single outdoor compressor capable of powering up to two active indoor units , with the technical capability to expand to four zones depending on the building's overall configuration. In the 27,000 BTU version, we have ample power to serve two large living spaces without compromising thermal stability.

Wide selection of indoor units to suit building constraints

One of the tangible advantages we observe in the field concerns compatibility with several types of indoor units :

• Wall-mounted units (6,000 to 24,000 BTU) for bedrooms, living rooms, or closed offices

• Ducted units for discreet distribution in open spaces

• 1-way or 4-way cassettes for suspended ceilings

• Brackets for specific configurations (low walls, finished basements)

In Laval, we recently installed this model in a two-story house where the ground floor required a 4-way cassette for even distribution, while the upper floor benefited from a quiet wall-mounted unit for the bedrooms. The same outdoor compressor provided consistent coverage throughout, without any imbalance between the zones.

Independent control and constant comfort

Each indoor unit operates with its own thermostat , allowing for precise adjustment based on the actual occupancy of each room. This avoids the common problems we see with poorly sized systems: overheating in one area, discomfort in another, or cycles that are too short or too long. Here, the modulation is gradual, stable, and perfectly suited to modern residential use.

Cold climate performance: a key factor for Quebec

A non-negotiable criterion for us at AirGreen remains heating capacity in real winter conditions . The ELIOS E-MULTI 27,000 BTU compressor is designed to operate efficiently down to -25°C , which corresponds to the winter temperatures we regularly experience in Laval, Montreal, and on the North Shore.

Power available even at low temperatures

In practice, this means:

• 27,000 BTU nominal air conditioning

• In heating mode, a power output of around 18,000 to 19,000 BTU is still available at significantly negative temperatures.

• Stable operation without excessive reliance on backup power sources

In particular, we replaced electric baseboard heaters in a Laval duplex with this system: even during the cold snaps of January, the heat pump maintained a constant indoor temperature without unpleasant fluctuations.

Measurable energy efficiency

The performance indicators are particularly high:

• SEER2 greater than 23 in air conditioning

• HSPF2 around 19.5 in heating

• High COP even at -8°C , guaranteeing an excellent ratio between energy consumed and heat produced

These values ​​translate directly into a tangible reduction in the electricity bill , especially when replacing resistive electrical systems or old air conditioners.

R-454B refrigerant: efficiency and environmental compliance

The ELIOS E-MULTI heat pump uses R-454B refrigerant , an important technological choice for the future of HVAC in Quebec . This gas has a lower global warming potential compared to previous generations, while maintaining excellent thermodynamic properties.

In practice, this means:

• Compliance with current and future standards

• Greater acceptability for grant programs

• A more sustainable system in the long term

The system also incorporates leak detection devices , with automatic compressor shutdown and safety ventilation if necessary, a point often underestimated but essential for a modern residential installation.

Noise levels suitable for residential environments

In Laval's residential neighborhoods, noise is a recurring concern. The outdoor unit of this model has a noise level of around 61 dB(A) , which is very low for a 27,000 BTU multi-zone capacity. Indoors, some wall-mounted units reach around 20 dB(A) in low mode, a real advantage for bedrooms and home offices.

During a recent installation near Centropolis, the client was concerned about noise disturbances in the evening: after commissioning, the operation was barely perceptible inside, even during nighttime heating cycles.

Professional setup: a determining factor

A multi-zone system requires a rigorous HVAC installation , from sizing and piping to drainage and load balancing. At AirGreen , we manage the entire process:

• Detailed thermal analysis

• Optimal selection of internal heads

• Strict adherence to pipe lengths and diameters

• Controlled vacuuming and pressure testing

• Fine-tuning of operating parameters

This approach allows us to fully exploit the potential of the ELIOS E-MULTI heat pump and avoid the problems we too often see in botched installations.

LogisVert subsidy and project profitability

This model is eligible for the LogisVert provincial grant , with an amount of up to $2,160 , subject to applicable conditions. We systematically assist our clients in Laval, Montreal, Longueuil, and the South Shore with the administrative procedures to secure this financial assistance.

In several recent projects, the combination of subsidies and energy savings has made it possible to recoup a significant portion of the investment in just a few years.

Why choose AirGreen for this system?

Beyond the product itself, the choice of installer remains crucial. At AirGreen , we distinguish ourselves by:

• Extensive field expertise in multi-zone systems

• Transparent pricing , confirmed before work begins

• Certified and experienced technicians

• $5 million liability insurance

• A structured and responsive after-sales service

We are intimately familiar with the constraints of buildings in Laval and Greater Montreal, and we adapt each installation accordingly.

Conclusion

The ELIOS E-MULTI 2-head + 27,000 BTU heat pump is a reliable, high-performance, and scalable HVAC solution perfectly suited to residential needs in Laval, Montreal, and on the North and South Shores. Its cold-climate efficiency, multi-zone flexibility, and eligibility for subsidies make it a strategic long-term choice.

For a detailed quote , a personalized analysis of your property, or any questions regarding the installation of this HVAC system, contact AirGreen directly. Our team will be happy to assist you at every stage of your project.